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A documentary that follows Dr. Penny Patterson's current scientific study of Koko, a gorilla who communicates through American Sign Language.
Release : October 11, 1978
Budget : $0.00
Revenue : $0.00
Duration : 85 minutes
Rating : 7.00
Herself
Herself
Himself - Director Emeritus, San Francisco Zoo
Himself - Professor of Neuroscience
Himself
October 02, 2021
March 25, 1992
June 01, 1940
July 18, 2020
August 03, 2023
May 23, 2019
September 05, 2018
January 07, 2024
November 07, 2014
January 31, 2024
April 13, 2013
April 08, 2011